3 | 7 | 9 | 13 | 17 |
5 | 12 | 15 | 22 | ? |
A) 25
B) 26
C) 28
D) 29
Correct Answer: D
Solution :
Double the number in the first row and subtract 1, 2, 3, 4, 5 from it to obtain the number below it. \[\therefore \]The missing number is \[2\times 17-5=29\]You need to login to perform this action.
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